iliana lopez has publicly denounced the case against her husband. >>> it's not going away, in fact it might be spreading. there's a rash of norovirus outbreaks across the bay area. more than two dozen schools have reported suspected cases so far this year. parents andea achersomre lookinr for answers. the knightson school was hit especially hard. in one day more than half of the student body turned up sick. marianne favro joins us from that school. marianne, what can be done here? >> well, the students here and the staff are doing the best veve they can. they're using bleach to scrub down the tables and classrooms. other than that there's not a lot to do except for good old hand washing. at this particular school more than 100 kids called in sick. norovirus is a very hearty bug and this year it's hitting the bay area hard. brothers and sisters are known to share, but steven and christina say sharing norovirus was no fun. >> my stomach started hurting a lot. >> a lot of people have been getting sick. i got sick actually and, yeah, i didn't feel good. i got the same thing as my brother.